5431399 has 2 divisors, whose sum is σ = 5431400. Its totient is φ = 5431398.

The previous prime is 5431369. The next prime is 5431441. The reversal of 5431399 is 9931345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5431399 - 2¹³ = 5423207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5431339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715699 + 2715700.

It is an arithmetic number, because the mean of its divisors is an integer number (2715700).

Almost surely, 2^5431399 is an apocalyptic number.

5431399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431399 is an equidigital number, since it uses as much as digits as its factorization.

5431399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 5431399 is about 2330.5362043959. The cubic root of 5431399 is about 175.7804489452.

The spelling of 5431399 in words is "five million, four hundred thirty-one thousand, three hundred ninety-nine".